CN218628592U

CN218628592U - Novel pressure sensor

Info

Publication number: CN218628592U
Application number: CN202223116401.2U
Authority: CN
Inventors: 李光远
Original assignee: Hebei Meiheng Electronic Technology Co ltd
Current assignee: Hebei Meiheng Electronic Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-14
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a novel pressure sensor relates to weighbridge pressure sensor technical field, including weighbridge main part, first pressure sensor and second pressure sensor, the both ends swing joint of weighbridge main part has first swash plate and second swash plate, the top swing joint of weighbridge main part has the title platform, the both sides swing joint of seeing of weighbridge main part has the connecting plate, the surface activity of connecting plate is connected with the set screw, the outside of set screw and the inside swing joint of first swash plate and second swash plate. The utility model discloses a starter motor drives the threaded rod and rotates for the thread bush moves on the surface of threaded rod, when receiving pressure extrusion downwards on the surface of title platform, makes the title platform atress move down, makes the thread bush extrude first pressure sensor downwards, and elastic strip extrudees downwards along the cutting ferrule, thereby drives movable slide bar and slides along spout inside, makes first pressure sensor atress move down movable inslot portion.

Description

Novel pressure sensor

Technical Field

The utility model relates to a weighbridge pressure sensor technical field, concretely relates to novel pressure sensor.

Background

The pressure sensor is a device or a device which can sense pressure signals and can convert the pressure signals into usable output electric signals according to a certain rule, a weighbridge, also called a truck scale, is a large weighing scale arranged on the ground, is generally used for weighing the cargo tonnage of a truck, is a main weighing device for measuring bulk cargos such as factories, mines and merchants, is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, relates to various industries such as water conservancy and hydropower, railway transportation, intelligent buildings, automatic production control, aerospace, war industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like, is generally provided with the pressure sensor inside the heavy weighbridge, and can be used for detecting the pressure value of a detected object. The following problems exist in the prior art:

present weighbridge is when weighing the tonnage that carries cargo of truck, because the variation in size of freight train, generally be the too big weighbridge of cart, little freight train undersize weighbridge, big weighbridge numerical error is big when weighing, little weighbridge numerical error is little, consequently need two kinds of different weighbridges to come the judgment error when weighing, make the process loaded down with trivial details, reduce its work efficiency, and pressure sensor is after long-time use, need carry out the inspection and maintenance, avoid pressure sensor to damage and lead to detecting the error, because general pressure sensor is by the screw fixation, consequently, it is comparatively loaded down with trivial details when dismantling the installation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel pressure sensor to solve the problem that exists among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a novel pressure sensor, includes weighbridge main part, first pressure sensor and second pressure sensor, the both ends swing joint of weighbridge main part has first swash plate and second swash plate, the top swing joint of weighbridge main part has the title platform, the both sides swing joint that sees of weighbridge main part has the connecting plate, the surperficial swing joint of connecting plate has the fixed screw, the outside of fixed screw and the inside swing joint of first swash plate and second swash plate.

The utility model discloses technical scheme's further improvement lies in: the bottom of title platform has seted up the draw-in groove, the inner wall fixedly connected with motor of draw-in groove, the output shaft fixedly connected with threaded rod of motor, the outside swing joint of threaded rod has the thread bush, the inside both sides fixedly connected with limiting plate one and limiting plate two of draw-in groove, one side of limiting plate two and one side overlap joint of thread bush.

By adopting the technical scheme, the first limiting plate and the second limiting plate in the scheme can limit the contact range of the threaded sleeve moving out of the first pressure sensor and the second pressure sensor.

The utility model discloses technical scheme's further improvement lies in: the inside fixedly connected with of weighbridge main part props up a supporting bench one, the inside swing joint of propping up supporting bench one has the connecting pipe, the bottom fixedly connected with of weighing platform props up a supporting bench two, the outside swing joint of the inside of propping up supporting bench two and connecting pipe, the surface of connecting pipe has cup jointed the spring, the both ends of spring respectively in with propping up supporting bench one and prop up one end fixed connection of supporting bench two.

By adopting the technical scheme, when the spring in the scheme is extruded by pressure on the weighing platform, the symmetrical platform has a buffering effect.

The utility model discloses technical scheme's further improvement lies in: the utility model discloses a pressure sensor's fixed station, including fixed station, spout, elastic strip two, the bottom swing joint of first pressure sensor has the fixed station, the activity groove has been seted up at the fixed station top, the spout has been seted up at the top of fixed station, the top fixed connection of fixed station has elastic strip two, the bottom fixedly connected with elastic strip one of first pressure sensor, the one end fixedly connected with cutting ferrule of elastic strip one and elastic strip two, the inside swing joint of cutting ferrule has the connecting rod, the bottom fixedly connected with activity slide bar of cutting ferrule, the bottom of activity slide bar and the inside of spout.

By adopting the technical scheme, when the first pressure sensor or the second pressure sensor is stressed by the cooperation between the first elastic strip and the second elastic strip, the first elastic strip and the second elastic strip are inwards extruded, so that the movable sliding rod slides in the sliding groove, and after the pressure disappears, the first pressure sensor rebounds to the original position through the elasticity of the first elastic strip and the second elastic strip.

The utility model discloses technical scheme's further improvement lies in: the fixed slot has been seted up to the inside of weighbridge main part, the fixed cover of inner wall fixedly connected with of fixed slot, the rubber sleeve has been cup jointed to the outside of fixed station, the outside swing joint of fixed cover has the stationary blade, the both ends swing joint of stationary blade has the screw, the solid fixed ring one of one end fixedly connected with of stationary blade, the surface of solid fixed ring one is provided with snap ring one.

Adopt above-mentioned technical scheme, the fixed cover in this scheme and the cooperation between the stationary blade can relax the effect that a pair of fixed station of snap ring carried out hugging closely.

The utility model discloses technical scheme's further improvement lies in: the inner wall symmetric connection of weighbridge main part has the fixed bolster, the one end fixedly connected with of fixed bolster is solid fixed ring two, gu the surface of fixed ring two is provided with snap ring two.

Adopt above-mentioned technical scheme, mutually supporting between the fixed bolster in this scheme and the fixed cover, the fixed station makes snap ring one and snap ring two and rubber sleeve carry out detached effect through rotating.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a novel pressure sensor, adopt the motor, the threaded rod, the draw-in groove, limiting plate one, limiting plate two, the thread bush, first pressure sensor, second pressure sensor, the fixed station, elastic strip one, the connecting rod, the activity slide bar, the spout, cooperation between the elastic strip two, it rotates to drive the threaded rod through the starter motor, make the thread bush remove on the surface of threaded rod, use first pressure sensor to detect time measuring, when receiving pressure extrusion downwards at the surface of title platform, make title platform atress move down, make the thread bush extrude first pressure sensor downwards, elastic strip one extrudees downwards along the cutting ferrule, thereby it slides along spout inside to drive the activity slide bar, make first pressure sensor atress move down to the movable inslot portion, use second pressure sensor to detect time measuring, move the one side of limiting plate one through the thread bush on the surface of threaded rod, repeat above, solved because the difference of freight train, generally be the too big wagon is big wagon, the numerical value error is big wagon error when weighing, because this numerical value error need be little when the numerical value moves to one side of undersize, the difference when weighing, make the weighing efficiency of the beneficial wagon reduce two kinds of the different pressure sensor, it and carried out the detection efficiency, the detection of weighing efficiency, it, the beneficial wagon efficiency.

2. The utility model provides a novel pressure sensor, adopt the fixed slot, fixed cover, the stationary blade, solid fixed ring one, the snap ring one, the screw, the fixed bolster, cooperation between solid fixed ring two and the snap ring two, when examining the maintenance to first pressure sensor or second pressure sensor, it is not hard up to go on the screw, make the stationary blade move about along fixed cover, rotate the fixed station simultaneously, at the pivoted in-process, the fixed station drives solid fixed ring two and extrudees the activity in fixed bolster one side, thereby make and part fixed station and snap ring one, thereby part the fixed station from the fixed slot, when installing, laminate snap ring one and rubber sleeve, will with the stationary blade, pressure sensor is after long-time use being solved, need examine the maintenance, avoid pressure sensor to damage and lead to the detection error, because general pressure sensor is by the screw fixation, consequently comparatively loaded down with trivial details problem when dismantling the installation, reach convenient quick beneficial effect who dismantles the installation to pressure sensor.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the structure of the weighing platform of the present invention;

fig. 3 is a schematic structural sectional view of a first pressure sensor according to the present invention;

fig. 4 is a schematic sectional view of the inner structure of the fixing groove of the present invention.

In the figure: 1. a wagon balance body; 101. fixing grooves; 102. fixing a sleeve; 103. a fixing sheet; 104. a first fixing ring; 105. a first snap ring; 106. a screw; 107. a fixing pad; 108. a second fixing ring; 109. a snap ring II; 2. a first sloping plate; 3. a weighing platform; 31. a card slot; 33. a first limiting plate; 34. a second limiting plate; 4. a connecting plate; 5. fixing screws; 6. a second swash plate; 7. a first pressure sensor; 71. a fixed table; 72. a rubber sleeve; 701. a movable groove; 710. an elastic strip I; 711. a card sleeve; 712. a connecting rod; 713. a movable slide bar; 714. a chute; 715. a second elastic strip; 8. a second pressure sensor; 9. a motor; 10. a threaded rod; 11. a threaded sleeve; 12. a first support table; 13. a second support table; 14. a connecting pipe; 15. a spring.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides a novel pressure sensor, weighbridge main part 1, first pressure sensor 7 and second pressure sensor 8, the both ends swing joint of weighbridge main part 1 has first swash plate 2 and second swash plate 6, the top swing joint of weighbridge main part 1 has weighing platform 3, the both sides swing joint that sees of weighbridge main part 1 has connecting plate 4, the surface swing joint of connecting plate 4 has set screw 5, the outside of set screw 5 and the inside swing joint of first swash plate 2 and second swash plate 6, reached and installed two kinds of pressure sensor on a weighbridge, but the different pressure sensor of optional detects weighing, the beneficial effect of the installation is dismantled to pressure sensor that its work efficiency and convenient quick has been improved.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the bottom of the weighing platform 3 is provided with a clamping groove 31, the inner wall of the clamping groove 31 is fixedly connected with a motor 9, the output shaft of the motor 9 is fixedly connected with a threaded rod 10, the outer part of the threaded rod 10 is movably connected with a threaded sleeve 11, two sides of the inner part of the clamping groove 31 are fixedly connected with a first limit plate 33 and a second limit plate 34, one side of the second limit plate 34 is lapped with one side of the threaded sleeve 11, the first limit plate 33 and the second limit plate 34 can limit the contact range of the threaded sleeve 11 with the first pressure sensor 7 and the second pressure sensor 8, the inner part of the wagon balance main body 1 is fixedly connected with a first support table 12, the inner part of the first support table 12 is movably connected with a connecting pipe 14, the bottom of the weighing platform 3 is fixedly connected with a second support table 13, the inner part of the second support table 13 is movably connected with the outer part of the connecting pipe 14, the surface of the connecting pipe 14 is sleeved with a spring 15, two ends of the spring 15 are respectively and fixedly connected with one end of the first support table 12 and the second support table 13, when the weighing platform 3 is pressed, the spring 15 buffers the weighing platform 3, the bottom of the first pressure sensor 7 is movably connected with the fixed platform 71, the top of the fixed platform 71 is provided with a movable groove 701, the top of the fixed platform 71 is provided with a sliding groove 714, the top of the fixed platform 71 is fixedly connected with a second elastic strip 715, the bottom of the first pressure sensor 7 is fixedly connected with a first elastic strip 710, one ends of the first elastic strip 710 and the second elastic strip 715 are fixedly connected with a sleeve 711, the inside of the sleeve 711 is movably connected with a connecting rod 712, the bottom of the sleeve 711 is fixedly connected with a movable sliding rod 713, the bottom of the movable sliding rod 713 and the inside of the sliding groove 714 are matched, the first elastic strip 710 and the second elastic strip 715 are matched, when the first pressure sensor 7 or the second pressure sensor 8 is pressed, the first elastic strip 710 and the second elastic strip 715 are pressed inwards, the movable sliding bar 713 slides in the sliding slot 714, and after the pressure disappears, the first pressure sensor 7 rebounds to the original position through the elasticity of the first elastic strip 710 and the second elastic strip 715.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, fixed slot 101 has been seted up to the inside of weighbridge main part 1, the fixed cover 102 of inner wall fixedly connected with of fixed slot 101, rubber sleeve 72 has been cup jointed to the outside of fixed station 71, the outside swing joint of fixed cover 102 has stationary blade 103, the both ends swing joint of stationary blade 103 has screw 106, the solid fixed ring 104 of the one end fixedly connected with of stationary blade 103, the surface of solid fixed ring 104 is provided with snap ring 105, cooperation between this fixed cover 102 and the stationary blade 103, can relax snap ring 105 and hug closely fixed station 71, the inner wall symmetric connection of weighbridge main part 1 has fixed ring 107, the solid fixed ring two 108 of one end fixedly connected with of fixed ring 107, the surface of solid fixed ring two 108 is provided with snap ring two 109, mutually support between this fixed ring 107 and the fixed cover 102, fixed station 71 makes snap ring 105 and snap ring 109 and rubber sleeve 72 separate through rotating.

The working principle of the novel pressure sensor is described in detail below.

As shown in fig. 1 to 4, firstly, a truck or a truck is driven to the platform 3 from the first inclined plate 2, when the surface of the platform 3 is pressed, the second support platform 13 and the second connection pipe 14 press the spring 15 inwards, when the first pressure sensor 7 or the second pressure sensor 8 is selected to detect weighing, the threaded rod 10 is driven to rotate by the starting motor 9, the threaded sleeve 11 moves on the surface of the threaded rod 10, the threaded sleeve 11 moves to one side of the first limit plate 33 or the second limit plate 34, the platform 3 is forced to move downwards, the threaded sleeve 11 presses the first pressure sensor 7 downwards, the first elastic strip 710 presses downwards along the sleeve 711, the movable sliding rod 713 is driven to slide along the inside of the sliding groove 714, the first pressure sensor 7 is forced to move downwards inside the movable groove 701, when the second pressure sensor 8 is used for detection, the threaded sleeve 11 moves to one side of the first limit plate 33 on the surface of the threaded sleeve 10, secondly, when the first pressure sensor 7 or the second pressure sensor 8 is checked and maintained, the screw 106 is loosened, the fixing plate 103 moves along the fixed sleeve 102, the fixed ring 71 rotates, the fixed ring 71 is driven to separate from the fixed ring 71, and the fixed ring 71 is driven to separate from the fixed ring 71 in the fixed ring 71.

The present invention has been described in general terms, but it will be apparent to those skilled in the art that modifications and improvements can be made based on the present invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. A novel pressure sensor comprises a wagon balance main body (1), a first pressure sensor (7) and a second pressure sensor (8), and is characterized in that: both ends swing joint of weighbridge main part (1) has first swash plate (2) and second swash plate (6), the top swing joint of weighbridge main part (1) has weighing platform (3), the both sides swing joint that sees of weighbridge main part (1) has connecting plate (4), the surperficial swing joint of connecting plate (4) has fixed screw (5), the outside of fixed screw (5) and the inside swing joint of first swash plate (2) and second swash plate (6).

2. The novel pressure sensor of claim 1, wherein: draw-in groove (31) have been seted up to the bottom of title platform (3), inner wall fixedly connected with motor (9) of draw-in groove (31), output shaft fixedly connected with threaded rod (10) of motor (9), the outside swing joint of threaded rod (10) has thread bush (11), the inside both sides fixedly connected with limiting plate (33) and limiting plate two (34) of draw-in groove (31), one side of limiting plate two (34) and one side overlap joint of thread bush (11).

3. The novel pressure sensor of claim 1, wherein: the inside fixedly connected with brace table one (12) of weighbridge main part (1), the inside swing joint of brace table one (12) has connecting pipe (14), the bottom fixedly connected with brace table two (13) of weighing platform (3), the inside of brace table two (13) and the outside swing joint of connecting pipe (14), spring (15) has been cup jointed on the surface of connecting pipe (14), the both ends of spring (15) are respectively in the one end fixed connection with brace table one (12) and brace table two (13).

4. The novel pressure sensor of claim 1, wherein: the bottom swing joint of first pressure sensor (7) has fixed station (71), movable groove (701) have been seted up at fixed station (71) top, spout (714) have been seted up at the top of fixed station (71), the top fixed connection of fixed station (71) has elastic strip two (715), the bottom fixedly connected with elastic strip one (710) of first pressure sensor (7), the one end fixedly connected with cutting ferrule (711) of elastic strip one (710) and elastic strip two (715), the inside swing joint of cutting ferrule (711) has connecting rod (712), the bottom fixedly connected with activity slide bar (713) of cutting ferrule (711), the bottom of activity slide bar (713) and the inside of spout (714).

5. The novel pressure sensor of claim 4, wherein: fixed slot (101) have been seted up to the inside of weighbridge main part (1), the fixed cover (102) of inner wall fixedly connected with of fixed slot (101), rubber sleeve (72) have been cup jointed to the outside of fixed station (71), the outside swing joint of fixed cover (102) has stationary blade (103), the both ends swing joint of stationary blade (103) has screw (106), the solid fixed ring (104) of one end fixedly connected with of stationary blade (103), the surface of solid fixed ring (104) is provided with snap ring (105).

6. The novel pressure sensor of claim 1, wherein: the inner wall symmetric connection of weighbridge main part (1) has fixed bolster (107), the solid fixed ring two (108) of one end fixedly connected with of fixed bolster (107), the surface of solid fixed ring two (108) is provided with snap ring two (109).